The world’s stockpiles of plutonium and highly enriched uranium useable in atomic weapons are growing, despite increasing fears about the security of nuclear materials, a U.S. based think-tank says in a new report. The estimates of civilian and military stocks of plutonium and highly enriched uranium (HEU) — information treated by most governments as classified — were prepared by the Institute for Science and International Security (ISIS), run by former U.N. weapons inspector David Albright. http://story.news.yahoo.com/news?tmpl=story&cid=564&ncid=564&e=17&u=/nm/20041003/ts_nm/nuclear_arms_dc_1